code: def test_plot_response(self):
      response = self.df.chat("Plot data of top 5 streamed artists")
      self.assertTrue(
          response.lower().find(
              "pandas-ai/exports/charts/temp_chart.png"
          )
          != -1
      )
  
file_path: pandas-ai/integration/test_spotify.py
imports: import os
  import unittest
  from pandasai import SmartDataframe
  from pandasai.llm import OpenAI
label_desc: Use image node_id 3 for calling the TestSpotify obj's underlying member method code with example usage: obj.test_plot_response() without return types